Toothbrush



FIG. 1 is a front perspective view of a toothbrush according to a first embodiment of the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof;

FIG. 9 is a front perspective view of a toothbrush according to a second embodiment of the new design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a left side elevation view thereof;

FIG. 14 is a right side elevation view thereof;

FIG. 15 is an enlarged top plan view thereof; and,

FIG. 16 is an enlarged bottom plan view thereof.

The broken lines in the drawings formed by linear segments of equal length illustrate portions of the article that form no part of the claimed design. The broken lines in the drawings formed by a dash-dot-dash sequence illustrate an unclaimed boundary. Differences in grayscale indicate a difference in color with no specific color being claimed. 

CLAIM The ornamental design for a toothbrush, as shown and described. 